Severe Thunderstorm Warning until 07:30AM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... West central La Salle County in north central Illinois...
* Until 730 AM CDT.
* At 642 AM CDT, a severe thunderstorm was located over Peru, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... Ottawa, Peru, La Salle, Spring Valley, Oglesby, North Utica, Tonica, Grand Ridge, Naplate, Cedar Point and Leonore. Including the following interstates... I-39 between mile markers 49 and 62. I-80 between mile markers 73 and 92. This includes...Buffalo Rock State Park, Illinois Valley Community College, Matthiessen State Park, and Starved Rock State Park.
* AFFECTED AREAS: LA SALLE, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
City of Ottawa IL
301 W Lafayette St
Ottawa, IL 61350
Contact
Emergency: 9-1-1
Non-emergencies: 815-433-2131